W24×84 vs W24×94
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W24×94 is the heavier section at 94 lb per foot, versus 84 for W24×84 (10 lb/ft more).
Both are nominally 24 in. deep.
W24×94 has the greater bending strength: section modulus Sx of 222 in³ versus 196, about 13% more.
| Property | W24×84 | W24×94 |
|---|---|---|
| Weight | 84 lb/ft | 94 lb/ft |
| Depth (d) | 24 1/8" | 24 1/4" |
| Flange width (bf) | 9" | 9 1/8" |
| Web thickness (tw) | 1/2" | 1/2" |
| Flange thickness (tf) | 3/4" | 7/8" |
| Area (A) | 24.7 in² | 27.7 in² |
| Moment of inertia (Ix) | 2370 in⁴ | 2700 in⁴ |
| Section modulus (Sx) | 196 in³ | 222 in³ |
| Plastic modulus (Zx) | 224 in³ | 254 in³ |
Open W24×84 in the interactive size chart →
Full detail: W24×84 · W24×94. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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